Agent Name

Mono-n-butyltin trichloride

CAS Number

1118-46-3

Formula

C4-H9-Cl3-Sn

Major Category

Metals

Synonyms

Butylstannium trichloride; Butyltin trichloride; Butyltrichlorostannane; Butyltrichlorotin; Chlorid n-butylcinicity [Czech]; Monobutyltin trichloride; Monotributyltin trichloride; n-Butyltin trichloride; Stannane, butyltrichloro-; Stannane, trichlorobutyl-; Tin, n-butyl-, trichloride; Trichlorobutylstannane; Trichlorobutyltin; [ChemIDplus]

Category

Tin Compounds, Organic

Description

Colorless liquid; [HSDB] Yellow to red clear liquid; [MSDSonline]

Sources/Uses

A degradation product of dibutyltin and tributyltin (antifouling agents in marine paints); Used as an intermediate for other mono-n-butyltin compounds, a PVC stabilizer, and a hot-end coating of glass bottles; [HSDB]

Comments

A strong skin irritant Oral LD50 (rat) = 2140 mg/kg; [Sax] Corrosive to skin and eyes; [eChemPortal: ERMA] A corrosive substance that can cause injury to the skin, eyes, and respiratory tract; Inhalation may cause chemical pneumonitis and pulmonary edema; [MSDSonline] See "Tin, organic compounds."

Exposure Assessment
Skin Designation (ACGIH)

Yes

TLV (ACGIH)

0.1 mg/m3, as Sn

STEL (ACGIH)

0.2 mg/m3, as Sn

PEL (OSHA)

0.1 mg/m3, as Sn

MAK

0.02 mg/m3, inhalable fraction, as Sn

IDLH (NIOSH)

25 mg/m3, as Sn

Explanatory Notes

Organic tin compounds have a "skin" designation and are classified as "A4" (Not classifiable as human carcinogen); [ACGIH]

Adverse Effects
Toxic Pneumonitis

Yes

Neurotoxin

Other CNS Neurotoxin

Hepatotoxin

Hepatotoxin, Secondary

Dermatotoxin

Skin Burns

ACGIH Carcinogen

Not Classifiable

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

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Related Information in HazMap
Processes

Industrial Processes with risk of exposure: